CN112309802A - Drop-out fuse with action alarm device - Google Patents

Drop-out fuse with action alarm device Download PDF

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Publication number
CN112309802A
CN112309802A CN202011339592.1A CN202011339592A CN112309802A CN 112309802 A CN112309802 A CN 112309802A CN 202011339592 A CN202011339592 A CN 202011339592A CN 112309802 A CN112309802 A CN 112309802A
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China
Prior art keywords
fuse
alarm device
drop
magnetic switch
communication module
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Pending
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CN202011339592.1A
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Chinese (zh)
Inventor
袁智育
周俊
汤超
李长根
王梁
张爱国
夏伟栋
杨宝虎
郁岳安
倪乐
杨爱华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Heyuan Electric Power Industry Co ltd
NANJING ZIFENG ELECTRIC POWER EQUIPMENT CO LTD
Nanjing Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
Nanjing Heyuan Electric Power Industry Co ltd
NANJING ZIFENG ELECTRIC POWER EQUIPMENT CO LTD
Nanjing Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Application filed by Nanjing Heyuan Electric Power Industry Co ltd, NANJING ZIFENG ELECTRIC POWER EQUIPMENT CO LTD, Nanjing Power Supply Co of State Grid Jiangsu Electric Power Co Ltd filed Critical Nanjing Heyuan Electric Power Industry Co ltd
Priority to CN202011339592.1A priority Critical patent/CN112309802A/en
Publication of CN112309802A publication Critical patent/CN112309802A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/25—Safety arrangements preventing or inhibiting contact with live parts, including operation of isolation on removal of cover

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fuses (AREA)

Abstract

本发明涉及一种带动作报警装置的跌落式熔断器，在原有基础上增加故障上传装置，将故障地点信息及时反馈给工作人员，避免了巡查的困难，提高检修的工作效率，减少停电时间和售电量的损失。故障上传装置包括永磁性磁块、磁性开关和报警装置；永磁性磁块安装在令克载熔件外侧；报警装置设于绝缘子外侧，磁性开关置于永磁性磁块和报警装置之间，与永磁性磁块保持相对距离，确保磁场效果良好。当熔管跌落时，永磁磁块也随之远离磁性开关，从而产生动作报警信号。报警信号通过报警装置的通讯模块传输给运维人员，达到预期效果。本发明在传统的跌落式熔断器上进行了改装，不破坏其外部材料，不影响其电气性能，节约更换成本，可大规模推广使用。

Figure 202011339592

The invention relates to a drop-type fuse with an action alarm device. On the original basis, a fault uploading device is added, and the fault location information is fed back to the staff in time, so as to avoid the difficulty of inspection, improve the work efficiency of maintenance, and reduce the power outage time and safety. loss of electricity sales. The fault uploading device includes a permanent magnet block, a magnetic switch and an alarm device; the permanent magnet magnet block is installed on the outside of the fuse element; the alarm device is located outside the insulator, and the magnetic switch is placed between the permanent magnet magnet block and the alarm device, and is connected with the Permanent magnet magnets keep relative distance to ensure good magnetic field effect. When the fuse tube falls, the permanent magnet magnet also moves away from the magnetic switch, thereby generating an action alarm signal. The alarm signal is transmitted to the operation and maintenance personnel through the communication module of the alarm device to achieve the expected effect. The invention is modified on the traditional drop-type fuse, does not damage its external materials, does not affect its electrical performance, saves replacement costs, and can be widely used.

Figure 202011339592

Description

Drop-out fuse with action alarm device
Technical Field
The invention provides a drop-out fuse with an action alarm device, and belongs to the technical field of power equipment.
Background
The drop-out fuse is also called line connector, is widely applied to 10kV distribution lines and distribution transformers, has an obvious disconnection point, has the function of an isolating switch, and plays a role in safety protection for overhaul section lines and distribution transformers.
Although the existing drop-out fuse on the market can be disconnected when in failure, the existing drop-out fuse has certain requirements on the working environment conditions, needs to be periodically inspected and maintained, is not less than once night inspection every month, and is checked for the phenomena of discharge spark and poor contact; when a discharging phenomenon is generated and the rising sound is generated, the arrangement and the treatment are carried out as early as possible, so that the work load of personnel is large, and the problem that the falling type fuse is not easy to locate when being searched is solved.
Disclosure of Invention
The invention provides a drop-out fuse with an action alarm device, aiming at overcoming the defects in the prior art, the drop-out fuse is improved on the basis of the drop-out fuse, and a remote alarm device is added, so that when the fuse acts, the fault location information is immediately fed back to a worker through the remote alarm device, the difficulty of patrol is avoided, the operation and maintenance worker can quickly determine the fault point, the working efficiency of maintenance is greatly improved, and the power failure time and the loss of electricity selling quantity are reduced.
The technical solution of the invention is as follows:
a drop-out fuse with an action alarm device structurally comprises a drop-out fuse 1 and a fault uploading device.
The drop-out fuse 1 comprises a fixed conductive part, an insulator and a fuse carrier; the fuse carrying piece comprises a fuse wire, a fuse tube, a pressure releasing cap, an operating ring and an upper moving contact and a lower moving contact; the fuse wire penetrates through the fuse tube, and a moving contact on the fuse tube is reliably contacted with an upper fixed contact of the fixed conductive part by means of the tension of the fuse wire; the upper end of the fuse tube is provided with a pressure releasing cap, and the tube wall is provided with an operating ring.
The fault uploading device comprises a permanent magnetic block 2, a magnetic switch 3 and an alarm device 4; the permanent magnetic block 2 is fixedly arranged on the outer side of the fuse carrier of the drop-out fuse 1; the magnetic switch 3 is fixedly arranged on the alarm device 4, the alarm device 4 is arranged on the outer side of the insulator of the drop-out fuse 1, the magnetic switch 3 is arranged between the permanent magnetic block 2 and the alarm device 4, and keeps a relative distance with the permanent magnetic block 2, so that a good magnetic field effect is ensured.
Preferably, the permanent magnetic block 2 is fixedly installed on the outer side of the fuse tube of the drop-out fuse 1.
Preferably, the alarm device 4 includes a housing, a rechargeable battery, a communication module, and an antenna. The signal output end of the magnetic switch 3 is connected with the signal input end of the communication module, and a control action signal is fed back to a worker.
As a preferred scheme, the communication module adopts a GSM/GPRS communication module, the coverage of a base station is wide, and signals are stable; the GSM/GPRS communication module is preferably an SIM800C type GSM/GPRS communication module, and the order action signal is fed back to the staff through a GSM network.
Preferably, a solar panel is arranged at the top of the alarm device 4, and a solar power supply circuit module is connected with a charging circuit module to supply power to the rechargeable battery.
Preferably, the rechargeable battery adopts a lithium battery, and the battery capacity is 1000 mAh.
A method for installing a drop-out fuse with an action alarm device comprises the following steps:
1) assembly of alarm device 4 and magnetic switch 3: assembling a shell of the alarm device, a solar cell panel, a rechargeable battery, a communication module integrated board and an antenna, writing a program into the communication module integrated board, inserting a mobile data card, structurally combining a shell and a magnetic switch, and performing waterproof treatment;
2) the permanent magnetic block 2 is arranged outside the fuse tube and is opposite to the position of the magnetic switch 3, and then a power supply is plugged for testing;
3) and (3) bracket mounting operation: the bracket is made of hot-dip galvanized material and is subjected to anti-corrosion treatment; the support is firmly and smoothly installed, and the inclination of the horizontal plane is not more than 1%;
4) when the drop-out fuse 1 is assembled, the axis of the fuse tube forms an included angle of 15-30 degrees with the vertical line of the ground, the distance between the upper moving contact and the lower moving contact is properly adjusted, and the tightness of the fuse is properly installed;
5) mounting the drop-out fuse 1 assembled in the step 4) on the bracket in the step 3), and fixing the drop-out fuse with hot galvanizing or stainless steel bolts, wherein the horizontal spacing distance is more than or equal to 500 mm; when the permanent magnet switch is installed, whether the permanent magnet is displaced and loosened or not and whether the position of the magnetic switch deviates greatly or not need to be observed.
The invention has the beneficial effects that:
1) the position information of the falling token can be fed back to the working personnel in time, so that the timely maintenance is ensured, and the maintenance personnel can conveniently, quickly and accurately find and process the single-column all-insulated token acting on the line;
2) certain economic loss caused by the fact that the line card cannot be processed in time after the line card acts is avoided, power failure time is reduced, working efficiency is improved, economic loss is reduced, and electricity utilization quality of people is improved;
3) the drop-out fuse is modified on the traditional drop-out fuse, the external material of the drop-out fuse is not damaged, the electrical performance of the drop-out fuse is not influenced, the replacement cost is saved, and the drop-out fuse can be popularized and used on a large scale.
Drawings
Fig. 1 is a schematic structural diagram of a drop-out fuse with an action alarm device.
Fig. 2 is a schematic circuit diagram of an alarm device.
In the attached drawing, 1 is a drop-out fuse, 2 is a permanent magnetic block, 3 is a magnetic switch, and 4 is an alarm device.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings.
Referring to the attached drawing 1, the drop-out fuse with the action alarm device structurally comprises a drop-out fuse 1 and a fault uploading device.
The drop-out fuse 1 comprises a fixed conductive part, an insulator and a fuse carrier; the fuse carrying piece comprises a fuse wire, a fuse tube, a pressure releasing cap, an operating ring and an upper moving contact and a lower moving contact; the fuse wire penetrates through the fuse tube, and a moving contact on the fuse tube is reliably contacted with an upper fixed contact of the fixed conductive part by means of the tension of the fuse wire; the upper end of the fuse tube is provided with a pressure releasing cap, and the tube wall is provided with an operating ring. The fault uploading device comprises a permanent magnetic block 2, a magnetic switch 3 and an alarm device 4; the permanent magnetic block 2 is fixedly arranged on the outer side of a fuse tube of the drop-out fuse 1; the magnetic switch 3 is fixedly arranged on the alarm device 4, the alarm device 4 is arranged on the outer side of the insulator of the drop-out fuse 1, the magnetic switch 3 is arranged between the permanent magnetic block 2 and the alarm device 4, and keeps a relative distance with the permanent magnetic block 2, so that a good magnetic field effect is ensured.
Referring to fig. 2, the alarm device 4 includes a housing, a solar panel, a rechargeable battery, a GSM/GPRS communication module, and an antenna. The solar cell panel is connected with the rechargeable battery to provide power for the GSM/GPRS communication module, and the signal output end of the magnetic switch 3 is connected with the signal input end of the GSM/GPRS communication module to feed back a command action signal to a worker; the GSM/GPRS communication module is preferably an SIM800C type GSM/GPRS communication module; the rechargeable battery adopts a lithium battery, and the battery capacity is 1000 mAh.
A method for installing a drop-out fuse with an action alarm device comprises the following steps:
1) assembly of alarm device 4 and magnetic switch 3: assembling a shell of the alarm device, a solar cell panel, a rechargeable battery, a communication module integrated board and an antenna, writing a program into the communication module integrated board, inserting a mobile data card, structurally combining a shell and a magnetic switch, and performing waterproof treatment;
2) the permanent magnetic block 2 is arranged outside the fuse tube and is opposite to the position of the magnetic switch 3, and then a power supply is plugged for testing;
3) and (3) bracket mounting operation: the bracket is made of hot-dip galvanized material and is subjected to anti-corrosion treatment; the support is firmly and smoothly installed, and the inclination of the horizontal plane is not more than 1%;
4) when the drop-out fuse 1 is assembled, the axis of the fuse tube forms an included angle of 15-30 degrees with the vertical line of the ground, the distance between the upper moving contact and the lower moving contact is properly adjusted, and the tightness of the fuse is properly installed;
5) mounting the drop-out fuse 1 assembled in the step 4) on the bracket in the step 3), and fixing the drop-out fuse with hot galvanizing or stainless steel bolts, wherein the horizontal spacing distance is more than or equal to 500 mm; when the permanent magnet switch is installed, whether the permanent magnet is displaced and loosened or not and whether the position of the magnetic switch deviates greatly or not need to be observed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1.一种带动作报警装置的跌落式熔断器，其特征在于包括跌落式熔断器（1）和故障上传装置两部分；所述跌落式熔断器（1）包括固定导电部分、绝缘子、载熔件；所述故障上传装置包括永磁性磁块（2）、磁性开关（3）和报警装置（4）；所述永磁性磁块（2）固定安装在所述载熔件外侧；磁性开关（3）固定安装在报警装置（4）上，报警装置（4）设于所述跌落式熔断器（1）的绝缘子外侧；磁性开关（3）置于永磁性磁块（2）和报警装置（4）之间，与永磁性磁块（2）保持相对距离，确保磁场效果良好。1. A drop-out fuse with an action alarm device, characterized in that it comprises a drop-out fuse (1) and a fault uploading device; the drop-out fuse (1) includes a fixed conductive part, an insulator, a fuse The fault uploading device includes a permanent magnetic block (2), a magnetic switch (3) and an alarm device (4); the permanent magnetic block (2) is fixedly installed outside the fuse-carrying part; the magnetic switch ( 3) It is fixedly installed on the alarm device (4), and the alarm device (4) is arranged on the outside of the insulator of the drop fuse (1); the magnetic switch (3) is placed on the permanent magnet block (2) and the alarm device ( 4), keep a relative distance from the permanent magnet block (2) to ensure a good magnetic field effect. 2.根据权利要求1所述的一种带动作报警装置的跌落式熔断器，其特征在于所述载熔件包括熔丝、熔丝管、释放压力帽、操作环、上下动触头；所述熔丝穿过熔丝管，依靠熔丝的张力使熔丝管上动触头与固定导电部分的上静触头可靠接触；熔丝管上端设有释放压力帽，管壁设有操作环。2. The drop-type fuse with an action alarm device according to claim 1, wherein the fuse-carrying piece comprises a fuse, a fuse tube, a pressure release cap, an operation ring, and an upper and lower moving contact; The fuse passes through the fuse tube, and relies on the tension of the fuse to make the upper movable contact of the fuse tube reliably contact with the upper static contact of the fixed conductive part; the upper end of the fuse tube is provided with a release pressure cap, and the tube wall is provided with an operating ring . 3.根据权利要求2所述的一种带动作报警装置的跌落式熔断器，其特征在于所述熔丝采用的材质为银铜合金。3 . The drop-type fuse with an action alarm device according to claim 2 , wherein the material used for the fuse is silver-copper alloy. 4 . 4.根据权利要求1所述的一种带动作报警装置的跌落式熔断器，其特征在于所述报警装置（4）包括壳体、可充电电池、通讯模块、天线；通讯模块信号输入端连接所述磁性开关（3）信号输出端。4. A drop-out fuse with an action alarm device according to claim 1, characterized in that the alarm device (4) comprises a casing, a rechargeable battery, a communication module, and an antenna; the signal input end of the communication module is connected to The signal output end of the magnetic switch (3). 5.根据权利要求4所述的一种带动作报警装置的跌落式熔断器，其特征在于所述通讯模块采用GSM/GPRS通讯模块。5 . The drop-type fuse with an action alarm device according to claim 4 , wherein the communication module adopts a GSM/GPRS communication module. 6 . 6.根据权利要求5所述的一种带动作报警装置的跌落式熔断器，其特征在于所述GSM/GPRS通讯模块型号为SIM800C型GSM/GPRS通信模块。6 . The drop-out fuse with an action alarm device according to claim 5 , wherein the model of the GSM/GPRS communication module is a SIM800C type GSM/GPRS communication module. 7 . 7.根据权利要求4所述的一种带动作报警装置的跌落式熔断器，其特征在于所述报警装置（4）顶部设有太阳能电池板，太阳能供电电路模块连接充电电路模块，为所述可充电电池供电。7. A drop-out fuse with an action alarm device according to claim 4, characterized in that the alarm device (4) is provided with a solar panel on the top, and the solar power supply circuit module is connected to the charging circuit module, which is the Rechargeable battery powered. 8.根据权利要求4所述的一种带动作报警装置的跌落式熔断器，其特征在于所述可充电电池采用锂电池，电池容量为1000mAh。8 . The drop-out fuse with an action alarm device according to claim 4 , wherein the rechargeable battery is a lithium battery, and the battery capacity is 1000mAh. 9 . 9.根据权利要求2、4所述的一种带动作报警装置的跌落式熔断器，其安装方法，包括以下步骤：9. A kind of drop-out fuse with action alarm device according to claim 2, 4, its installation method, comprises the following steps: 1）报警装置（4）和磁性开关（3）的组装：将报警装置壳体、可充电电池、通讯模块集成板、天线进行组装，通讯模块集成板写入程序，插入移动数据卡，将外壳与磁性开关进行结构上的组合，进行防水处理；1) Assembling of the alarm device (4) and the magnetic switch (3): Assemble the alarm device housing, rechargeable battery, communication module integrated board, and antenna, write the program into the communication module integrated board, insert the mobile data card, and put the shell Structural combination with magnetic switch for waterproof treatment; 2）将永磁性磁块（2）安装在熔丝管外部，正对磁性开关（3）位置，然后插上电源进行测试；2) Install the permanent magnet block (2) outside the fuse tube, facing the position of the magnetic switch (3), and then plug in the power supply for testing; 3）支架安装作业：支架采用热镀锌材料，进行防腐处理；支架安装牢固、平整，水平面倾斜不应大于1%；3) Bracket installation operation: the bracket is made of hot-dip galvanized material, and the anti-corrosion treatment is carried out; the bracket installation is firm and smooth, and the horizontal plane inclination should not be greater than 1%; 4）装配跌落式熔断器（1）时，熔丝管轴线与地面垂线呈15～30°夹角，上下动触头之间的距离调节恰当，安装熔丝松紧适度；4) When assembling the drop-type fuse (1), the axis of the fuse tube and the vertical line of the ground are at an angle of 15 to 30°, the distance between the upper and lower moving contacts is properly adjusted, and the installed fuse is properly tight; 5）将步骤4）装配好的跌落式熔断器（1）安装在步骤3）的支架上，并用热镀锌或不锈钢螺栓固定，水平相间距离≥500mm；安装时需观察永磁性磁块是否发生位移松动，磁性开关的位置是否偏差较大。5) Install the drop-out fuse (1) assembled in step 4) on the bracket of step 3), and fix it with hot-dip galvanized or stainless steel bolts, and the horizontal distance between phases is ≥500mm; during installation, it is necessary to observe whether the permanent magnet block occurs. If the displacement is loose, whether the position of the magnetic switch has a large deviation.
CN202011339592.1A 2020-11-25 2020-11-25 Drop-out fuse with action alarm device Pending CN112309802A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115480190A (en) * 2022-09-15 2022-12-16 深圳供电局有限公司 A monitoring device for lightning protection and fuse combination device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205810742U (en) * 2016-06-15 2016-12-14 刘昌学 The passive auxiliary monitoring system of position signalling of fuse switch
CN207977291U (en) * 2018-03-28 2018-10-16 南京紫峰电力设备有限公司 Single-column all insulation crane with action warning device
CN210607167U (en) * 2019-10-11 2020-05-22 大庆油田有限责任公司 Drop fuse alarm device
CN213546254U (en) * 2020-11-25 2021-06-25 国网江苏省电力有限公司南京市高淳区供电分公司 A drop-out fuse with action alarm device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205810742U (en) * 2016-06-15 2016-12-14 刘昌学 The passive auxiliary monitoring system of position signalling of fuse switch
CN207977291U (en) * 2018-03-28 2018-10-16 南京紫峰电力设备有限公司 Single-column all insulation crane with action warning device
CN210607167U (en) * 2019-10-11 2020-05-22 大庆油田有限责任公司 Drop fuse alarm device
CN213546254U (en) * 2020-11-25 2021-06-25 国网江苏省电力有限公司南京市高淳区供电分公司 A drop-out fuse with action alarm device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115480190A (en) * 2022-09-15 2022-12-16 深圳供电局有限公司 A monitoring device for lightning protection and fuse combination device
CN115480190B (en) * 2022-09-15 2026-04-24 深圳供电局有限公司 A monitoring device for a lightning protection fuse combination device

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